If you’ve ever found that you need to contact the Volume Licensing Support Center for assistance, here’s the contact info for the United States:
Volume Licensing Service Center (VLSC)Support Contact Info
Email(s): vlserva at microsoft.com
Toll Free Number(s): (866) 230-0560
Hours of Operation: 5 AM – 5 PMPST Mon – Fri
Languages Supported: English and French
Other countries are located here:
https://www.microsoft.com/Licensing/servicecenter/Help/Contact.aspx
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